<template>
<div style="font-size: 20px; line-height: 60px; display: flex">
  <div style="flex: 1;font-size: 18px">
    <span :class="collapseBtnClass" style="cursor: pointer; font-size: 20px" @click="collapse"></span>

    <!--            页签-->
    <el-breadcrumb separator="/" style="display: inline-block ;margin-left: 10px">
      <el-breadcrumb-item :to="{path: '/'}">首页</el-breadcrumb-item>
      <el-breadcrumb-item>{{this.currentPathName}}</el-breadcrumb-item>
    </el-breadcrumb>
  </div>
  <el-dropdown style="width: 150px; cursor: pointer; text-align: right" >
    <div style="display: inline-block">
      <img :src="user.avatarUrl" alt=""
           style="width: 30px; border-radius: 50%; position: relative; top: 10px; right: 5px">
      <span>{{ user.username }}</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
    </div>
    <el-dropdown-menu slot="dropdown">
<!--      <el-dropdown-item>-->
<!--        <router-link  style="text-decoration: none" to="/person">个人信息</router-link>-->
<!--      </el-dropdown-item>-->
      <el-dropdown-item>
        <span  style="text-decoration: none" @click="logout">退出</span>
      </el-dropdown-item>
    </el-dropdown-menu>
  </el-dropdown>
</div>
</template>

<script>

export default {
  name: "Header",
  props:{
    collapseBtnClass: String,
    collapse: Boolean,
  },

  watch: {  //监听路由的变化
    '$route': function () {
      //取出router里面设置的当前路由 在Index.js中用路由守卫保存了to路由的名称
      this.currentPathName = localStorage.getItem("currentPathName")
     }
    },
  data(){
    return{
      currentPathName:'',
      user: localStorage.getItem("user") ?JSON.parse(localStorage.getItem("user")) : {}
    }
  },
  created() {
    console.log(user)
  },
  methods: {
    logout(){
      this.$router.push("/login")
      localStorage.removeItem("user")
      this.$message.success("退出成功")
    }
  }

}
</script>

<style scoped>

</style>
